Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1991-09-04
Phys. Lett. B278 (1992) 63-71
Physics
High Energy Physics
High Energy Physics - Theory
13 pages
Scientific paper
10.1016/0370-2693(92)90712-D
We bosonise the complex-boson realisations of the $W_\infty$ and $W_{1+\infty}$ algebras. We obtain nonlinear realisations of $W_\infty$ and $W_{1+\infty}$ in terms of a pair of fermions and a real scalar. By further bosonising the fermions, we then obtain realisations of $W_\infty$ in terms of two scalars. Keeping the most non-linear terms in the scalars only, we arrive at two-scalar realisations of classical $w_\infty$.
Shen Xia
Wang Xiao-Jun
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